Storage box



FIG. 1 is a front elevation view of a storage box;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left-side elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a use state view thereof.

The broken lines showing additional storage boxes are included for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a storage box, as shown and described. 